Aluminium titanium nickel copper and magnesium alloys.
Tungsten welding rod colors.
Only limited suitability for dc welding.
Arc length bead length temperature of base material how clean and smooth the surface is tungsten angle your motion while welding the direction you re welding if there s a back purge or backing plate and post flow all affect the final color or lack thereof.
Increased ignitability thanks to lanthanum oxide.
Tungsten electrodes for ac welding of aluminium alloys.
Suitable for dc and ac welding.
Choosing one of the six commonly available tungsten electrodes is a crucial first step in successful gas tungsten arc welding gtaw.
And for microplasma welding.
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The end preparations are balled pointed and truncated.
Different types and sizes of electrodes are used for different types of welds and materials and welders develop preferences based on welding style and project.
Can be used for unalloyed and high alloy steels.
The tungsten electrode is a critical component in the process as it channels the current required to establish the arc.
The tungsten electrodes can be alloyed with a variety of metals.
The electrode choices are pure tungsten 2 percent thoriated 2 percent ceriated 1 5 percent lanthanated zirconiated and rare earth.
The best way to learn how is just by welding.
In addition tip preparation is critical.